CN116038184A

CN116038184A - Welding machine with dust removing mechanism

Info

Publication number: CN116038184A
Application number: CN202211565756.1A
Authority: CN
Inventors: 陈浒; 芮世力; 孟祥军; 陈章平; 候玉真; 韩超群; 周玉晴; 杨运仙
Original assignee: Wuhu Laite Sichuang Auto Parts Co ltd
Current assignee: Wuhu Laite Sichuang Auto Parts Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-05-02

Abstract

The invention relates to the technical field of welding machines, in particular to a welding machine with a dust removing mechanism, which comprises an operation table, wherein a welding mechanism and a clamping unit are arranged on the operation table; the dust scraped by the scraping plate is convenient to collect, and convenience is improved.

Description

Welding machine with dust removing mechanism

Technical Field

The invention relates to the technical field of welding machines, in particular to a welding machine with a dust removing mechanism.

Background

The laser welding utilizes the tiny laser beam of high energy density to shine on waiting to weld the work piece, laser welding's in-process can produce a large amount of smoke and dust, among the prior art, chinese patent publication No. CN215698837U discloses a welding machine with dust removing mechanism, one side that the filter is close to the air intake is provided with the scraper blade, the middle part of scraper blade is connected with its pivoted connecting rod of drive, the connecting rod passes behind the middle part of filter and is connected with the motor that is fixed in on the shrouding, motor drive scraper blade rotates, scrape the dust of piling up and adsorbing on the filter, avoid the dust to pile up the filter and take place to block up, wherein, because the scraper blade rotates, can clear up the dust on the filter, but the dust is inconvenient to scrape into in the dust collecting tube, the dust is inconvenient to collect.

Disclosure of Invention

In view of the above, the present invention is directed to a welding machine with a dust removing mechanism to solve the above-mentioned problem that dust is inconvenient to collect.

Based on the above object, the invention provides a welding machine with a dust removing mechanism, which comprises an operation table, wherein a welding mechanism and a clamping unit are arranged on the operation table, a movable seat is arranged above the operation table, the movable seat is connected with the operation table through a rotary driving mechanism, a dust hood is arranged below the movable seat, the dust hood is connected with the movable seat through a lifting piece, an exhaust pipe is arranged on the dust hood, a filter plate is fixedly connected in the dust hood, a scraping plate is arranged on one side of the filter plate, a first through hole is formed in the inner wall of the bottom of the dust hood, a cleaning box and a collecting box are arranged at the bottom of the dust hood, the cleaning box is of a cavity structure with an opening at the top end, a second through hole is formed in the cleaning box, a dust inlet matched with the second through hole is formed in the collecting box, the collecting box is connected with the cleaning box through a clamping mechanism, a sealing plate is arranged in the cleaning box, the pushing plate is connected with the sealing plate through a connecting column, and a pushing mechanism matched with the scraping plate and the pushing plate respectively is arranged on the dust hood.

Optionally, pushing mechanism includes the first spacing post of fixed mounting on the suction hood inner wall, first spacing post runs through the scraper blade, run through the first lead screw that has threaded connection on the scraper blade, the suction hood is run through on the top of first lead screw, first lead screw and suction hood pass through the bearing and rotate to be connected, one side fixedly connected with second lead screw and the spacing post of second of push pedal, second lead screw and the spacing post of second all run through the cleaning box, the outside cover of second lead screw is equipped with threaded connection's thread bush, thread bush and cleaning box pass through the bearing and rotate to be connected, be equipped with on the suction hood respectively with first lead screw and thread bush matched with driving piece.

Optionally, the driving piece includes fixed mounting in the control box at suction hood top, fixedly connected with electric telescopic handle in the control box, electric telescopic handle's output fixedly connected with first servo motor, the first pivot of the output fixedly connected with of first servo motor, the first conical gear of one end fixedly connected with of first pivot, be equipped with the second conical gear in the control box, second conical gear cooperatees with first conical gear, the bottom fixedly connected with second pivot of second conical gear, second pivot and thread bush pass through the driver and are connected, the outside cover of first pivot is equipped with fixed connection's third conical gear, the top of first lead screw and the fourth conical gear fixed connection who is located the control box, fourth conical gear cooperatees with third conical gear.

Optionally, the driver includes that fixed cover locates the outside sixth conical gear of thread bush, and the second pivot runs through the suction hood, and second pivot and suction hood pass through the bearing and rotate to be connected, and the bottom fixedly connected with fifth conical gear of second pivot, sixth conical gear meshes with fifth conical gear.

Optionally, the joint mechanism includes fixed mounting in the inserted block of collection box one side, and the outside cover of inserted block is equipped with the spacing ring, and the bottom fixed connection of spacing ring and clearance case, the draw-in groove has been seted up to the bottom of inserted block, and the bottom of inserted block is equipped with the fly leaf, fixedly connected with fixture block on the fly leaf, and the fixture block is located the draw-in groove, runs through on the fly leaf has two fixed columns, the bottom fixedly connected with spacing dish of fixed column, and the outside cover of fixed column is equipped with extension spring, and extension spring's both ends are connected with clearance case and fly leaf respectively.

Optionally, the lifting piece includes the third lead screw of fixed mounting on the dust hood, and the third lead screw runs through the movable seat, and the outside cover of third lead screw is equipped with two nuts, and two nuts contact with the top and the bottom of movable seat respectively.

Optionally, the rotary driving mechanism includes the cover and locates the outside supporting ring of movable seat, and supporting ring and operation panel pass through the support frame and connect, have seted up the spout on the supporting ring, fixedly connected with slider on the movable seat, and the cross section of slider is T shape structure, fixedly connected with second servo motor on the movable seat, the output fixedly connected with gear of second servo motor, fixedly connected with ring gear on the supporting ring, gear and ring gear mesh mutually.

Optionally, the clamping unit includes two fixed mounting in the supporting part at operation panel top, runs through on the supporting part and has threaded connection's fourth lead screw, and two fourth lead screw one end that is close to is equipped with splint respectively, and fourth lead screw and splint pass through the bearing and rotate to be connected, and the bottom of splint contacts with the top of operation panel.

The invention has the beneficial effects that: the external suction equipment of blast pipe filters the dust through the filter, push down the scraper blade through pushing mechanism, the scraper blade clears up the dust on the filter, the scraper blade moves to in the first through-hole, the dust falls into the cleaning box through first through-hole, and the dust is located between push pedal and the closing plate, push the push pedal through pushing mechanism and remove, so that the push pedal promotes the dust and removes, the closing plate slides into the collecting box, open second through-hole and dust inlet, the dust passes through the second through-hole and the dust inlet gets into in the collecting box, accomplish the collection to the dust, after the dust is collected, pushing mechanism drive scraper blade and push pedal reset initial position, the closing plate moves to in the second through-hole, seal the second through-hole, avoid the dust in the collecting box to run out, the dust of scraping the scraper blade of being convenient for is collected, the convenience has been improved.

Drawings

In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the invention and that other drawings can be obtained from them without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

FIG. 2 is a schematic view of a lifting member according to an embodiment of the present invention;

FIG. 3 is a schematic view illustrating the structure of the inside of a dust hood according to an embodiment of the present invention;

FIG. 4 is a schematic view of a structure of a collecting box according to an embodiment of the present invention;

FIG. 5 is a schematic view of the structure of the interior of the operation box according to the embodiment of the present invention;

FIG. 6 is a schematic view of the structure of the interior of the cleaning tank according to the embodiment of the invention;

fig. 7 is a schematic sectional view of an insert block according to an embodiment of the present invention.

Marked in the figure as:

1. an operation table; 2. a welding mechanism; 3. a support ring; 4. a support frame; 5. a movable seat; 6. a dust hood; 7. an exhaust pipe; 8. a filter plate; 9. a scraper; 10. a first through hole; 11. a cleaning box; 12. a collection box; 13. a second through hole; 14. dust inlet holes; 15. a sealing plate; 16. a push plate; 17. a connecting column; 18. a first servo motor; 19. a first screw rod; 20. a first limit post; 21. a first rotating shaft; 22. a second screw rod; 23. the second limit column; 24. a thread sleeve; 25. a first bevel gear; 26. a second bevel gear; 27. an operation box; 28. a second servo motor; 29. a second rotating shaft; 30. a third bevel gear; 31. a fourth bevel gear; 32. inserting blocks; 33. a limiting ring; 34. a clamping groove; 35. a movable plate; 36. a clamping block; 37. a tension spring; 38. a limiting disc; 39. a third screw rod; 40. a nut; 41. a slide block; 42. a chute; 43. a clamping plate; 44. a gear; 45. a gear ring; 46. a fourth screw rod; 47. a support part; 48. an electric telescopic rod; 49. a fifth bevel gear; 50. a sixth bevel gear; 51. and fixing the column.

Detailed Description

The present invention will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present invention more apparent.

It is to be noted that unless otherwise defined, technical or scientific terms used herein should be taken in a general sense as understood by one of ordinary skill in the art to which the present invention belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

The welding machine with dust removing mechanism provided in one or more embodiments of the present disclosure, as shown in fig. 1 to 7, includes an operation table 1, a welding mechanism 2 and a clamping unit are disposed on the operation table 1, a movable seat 5 is disposed above the operation table 1, the movable seat 5 is connected with the operation table 1 through a rotation driving mechanism, a dust hood 6 is disposed below the movable seat 5, the dust hood 6 is connected with the movable seat 5 through a lifting member, an exhaust pipe 7 is disposed on the dust hood 6, a filter plate 8 is fixedly connected in the dust hood 6, a scraper 9 is disposed on one side of the filter plate 8, a first through hole 10 is disposed on an inner wall of a bottom of the dust hood 6, a cleaning box 11 and a collecting box 12 are disposed at a bottom of the dust hood 6, the cleaning box 11 is a cavity structure with a top opening, a second through hole 13 is disposed on the cleaning box 11, a dust inlet hole 14 matched with the second through hole 13 is disposed on the collecting box 12, the collecting box 12 and the cleaning box 11 are connected through a clamping mechanism, a sealing plate 15 is arranged in the second through hole 13, a push plate 16 is arranged in the cleaning box 11, the push plate 16 and the sealing plate 15 are connected through a connecting column 17, a pushing mechanism which is respectively matched with the scraping plate 9 and the push plate 16 is arranged on the dust hood 6, the exhaust pipe 7 is externally connected with air suction equipment, dust is filtered through the filter plate 8, the scraping plate 9 is pushed to move downwards through the pushing mechanism, the scraping plate 9 cleans the dust on the filter plate 8, the scraping plate 9 moves into the first through hole 10, the dust falls into the cleaning box 11 through the first through hole 10, the dust is positioned between the push plate 16 and the sealing plate 15, the push plate 16 is pushed to move through the pushing mechanism, so that the push plate 16 pushes the dust to move, the sealing plate 15 slides into the collecting box 12, the second through hole 13 and the dust inlet hole 14 are opened, the dust enters the collecting box 12 through the second through the through hole 13 and the dust inlet hole 14, after the dust is collected, the pushing mechanism drives the scraping plate 9 and the pushing plate 16 to reset to the initial position, the sealing plate 15 moves into the second through hole 13 to seal the second through hole 13, so that the dust in the collecting box 12 is prevented from escaping, the dust scraped by the scraping plate 9 is conveniently collected, and convenience is improved.

In some alternative embodiments, as shown in fig. 3, 5 and 6, the pushing mechanism comprises a first limit post 20 fixedly installed on the inner wall of the dust hood 6, the first limit post 20 penetrates through the scraping plate 9, a first screw rod 19 in threaded connection is penetrated on the scraping plate 9, the top end of the first screw rod 19 penetrates through the dust hood 6, the first screw rod 19 and the dust hood 6 are rotatably connected through a bearing, a second screw rod 22 and a second limit post 23 are fixedly connected on one side of the push plate 16, the second screw rod 22 and the second limit post 23 penetrate through the cleaning box 11, a threaded sleeve 24 in threaded connection is sleeved outside the second screw rod 22, the threaded sleeve 24 and the cleaning box 11 are rotatably connected through a bearing, a driving piece matched with the first screw rod 19 and the threaded sleeve 24 is arranged on the dust hood 6, the driving piece comprises an operation box 27 fixedly installed on the top of the dust hood 6, an electric telescopic rod 48 is fixedly connected in the operation box 27, the output end of the electric telescopic rod 48 is fixedly connected with the first servo motor 18, the output end of the first servo motor 18 is fixedly connected with the first rotating shaft 21, one end of the first rotating shaft 21 is fixedly connected with the first conical gear 25, a second conical gear 26 is arranged in the operating box 27, the second conical gear 26 is matched with the first conical gear 25, the bottom of the second conical gear 26 is fixedly connected with the second rotating shaft 29, the second rotating shaft 29 is connected with the thread bush 24 through a driver, the outer part of the first rotating shaft 21 is sleeved with a third conical gear 30 which is fixedly connected, the top end of the first screw rod 19 is fixedly connected with a fourth conical gear 31 which is positioned in the operating box 27, the fourth conical gear 31 is matched with the third conical gear 30, the driver comprises a sixth conical gear 50 which is fixedly sleeved outside the thread bush 24, the second rotating shaft 29 penetrates through the dust hood 6, the second rotating shaft 29 is rotatably connected with the dust hood 6 through a bearing, a fifth conical gear 49 is fixedly connected with the bottom end of the second rotating shaft 29, the sixth conical gear 50 is meshed with the fifth conical gear 49, the electric telescopic rod 48 pushes the first servo motor 18 to move with the first rotating shaft 21, the third conical gear 30 is meshed with the fourth conical gear 31, the first servo motor 18 drives the first rotating shaft 21 to rotate, the third conical gear 30 drives the fourth conical gear 31 to rotate, the fourth conical gear 31 drives the first screw rod 19 to rotate, the scraper 9 is driven to move downwards through the first screw rod 19, the scraper 9 cleans dust on the filter plate 8, the scraper 9 moves into the first through hole 10, the dust falls into the cleaning box 11 through the first through hole 10, the dust is located between the push plate 16 and the sealing plate 15, the electric telescopic rod 48 drives the first servo motor 18 to move, the first rotating shaft 21 drives the first conical gear 25 to move, the first conical gear 25 is meshed with the second conical gear 26, the first servo motor 18 drives the first conical gear 21 to rotate, the second conical gear 26 drives the second conical gear 26 to rotate, the second conical gear 29 is driven to rotate through the first conical gear 25, and the fifth conical gear 24 is driven to rotate through the second conical gear 24, and the fifth conical gear 24 is driven to rotate through the second conical gear 49, and the fourth conical gear 50 is driven to rotate.

In some optional embodiments, as shown in fig. 4, fig. 6 and fig. 7, the clamping mechanism includes an insert 32 fixedly installed at one side of the collecting box 12, a limiting ring 33 is sleeved outside the insert 32, the limiting ring 33 is fixedly connected with the bottom of the cleaning box 11, a clamping groove 34 is formed in the bottom of the insert 32, a movable plate 35 is arranged at the bottom of the insert 32, a clamping block 36 is fixedly connected to the movable plate 35, the clamping block 36 is located in the clamping groove 34, two fixing columns 51 penetrate through the movable plate 35, a limiting disc 38 is fixedly connected to the bottom end of each fixing column 51, a stretching spring 37 is sleeved outside the fixing column 51, two ends of the stretching spring 37 are respectively connected with the cleaning box 11 and the movable plate 35, the movable plate 35 is driven downwards to enable the clamping block 36 to be separated from the clamping groove 34, the stretching spring 37 is in a stretched state, limitation on the position of the insert 32 is removed, the collecting box 12 is driven manually to be far away from the cleaning box 11, so that the inserting block 32 is separated from the limiting ring 33, and removal of the collecting box 12 can be completed, and dust collected in the collecting box 12 can be cleaned conveniently.

In some alternative embodiments, as shown in fig. 1 and fig. 2, the lifting member includes a third screw rod 39 fixedly installed on the dust hood 6, the third screw rod 39 penetrates through the movable seat 5, two nuts 40 are sleeved outside the third screw rod 39 and respectively contact with the top and the bottom of the movable seat 5, the clamping unit includes two supporting portions 47 fixedly installed on the top of the operating platform 1, a fourth screw rod 46 in threaded connection is penetrated on the supporting portions 47, clamping plates 43 are respectively arranged at one ends, close to the two fourth screw rods 46, of the fourth screw rod 46 and the clamping plates 43, the bottoms of the clamping plates 43 are in rotary connection with the top of the operating platform 1, the two nuts 40 are manually driven to rotate, so that the nuts 40 are not used for clamping the movable seat 5 any more, the two nuts 40 are manually driven to rotate after the adjustment, the two nuts 40 clamp the movable seat 5, the dust hood 6 can be fixed relative to the movable seat 5, the fourth screw rod 46 is manually driven to rotate, the fourth screw rod 46 is required to be welded relative to the clamping plates 43, and the distance between the two clamping plates 43 is required to be fixed by welding the clamping plates.

In some alternative embodiments, as shown in fig. 1 and fig. 2, the rotary driving mechanism comprises a supporting ring 3 sleeved outside a movable seat 5, the supporting ring 3 is connected with an operation table 1 through a supporting frame 4, a sliding groove 42 is formed in the supporting ring 3, a sliding block 41 is fixedly connected to the movable seat 5, the cross section of the sliding block 41 is of a T-shaped structure, a second servo motor 28 is fixedly connected to the movable seat 5, a gear 44 is fixedly connected to the output end of the second servo motor 28, a gear 45 is fixedly connected to the supporting ring 3, the gear 44 is meshed with the gear 45, the movable seat 5 is slidably connected with the supporting ring 3 through the cooperation of the sliding block 41 and the sliding groove 42, the gear 44 is rotated through the second servo motor 28, so that the movable seat 5 rotates relative to the supporting ring 3, the position of the dust hood 6 can be adjusted, and the dust hood 6 can absorb dust at different positions.

Working principle: manually driving a fourth screw rod 46 to rotate, moving the fourth screw rod 46 relative to a supporting part 47, adjusting the distance between two clamping plates 43, clamping and fixing a workpiece to be welded through the two clamping plates 43, externally connecting an exhaust pipe 7 with air suction equipment, filtering dust through a filter plate 8, driving a first servo motor 18 and a first rotating shaft 21 to move by an electric telescopic rod 48, meshing a third bevel gear 30 with a fourth bevel gear 31, driving the first rotating shaft 21 to rotate by the first servo motor 18 so as to drive the third bevel gear 30 to drive the fourth bevel gear 31 to rotate, driving a first screw rod 19 to rotate by the fourth bevel gear 31, driving a scraper 9 to move downwards by the first screw rod 19, cleaning dust on the filter plate 8, moving the scraper 9 into a first through hole 10, falling into a cleaning box 11 through the first through hole 10, and being positioned between the push plate 16 and the sealing plate 15, the electric telescopic rod 48 drives the first servo motor 18 to move so that the first rotating shaft 21 drives the first conical gear 25 to move, the first conical gear 25 is meshed with the second conical gear 26, the first servo motor 18 drives the first rotating shaft 21 to rotate, the first conical gear 25 drives the second conical gear 26 to rotate so that the second rotating shaft 29 drives the fifth conical gear 49 to rotate, the fifth conical gear 49 drives the sixth conical gear 50 and the threaded sleeve 24 to rotate, the second screw 22 drives the push plate 16 to move so that the push plate 16 pushes dust to move, the sealing plate 15 slides into the collecting box 12 to open the second through hole 13 and the dust inlet hole 14, the dust enters the collecting box 12 through the second through hole 13 and the dust inlet hole 14, after dust collection is completed, the pushing mechanism drives the scraping plate 9 and the push plate 16 to reset to the initial positions, the closing plate 15 moves to in the second through hole 13, seal the second through hole 13, avoid collecting the dust in the case 12 to come out, be convenient for collect the dust that scraper blade 9 scraped, the convenience has been improved, manual drive fly leaf 35 moves down, so that fixture block 36 breaks away from draw-in groove 34, extension spring 37 is in tensile state, remove the restriction to the inserted block 32 position, manual drive collecting case 12 moves away from cleaning box 11, so that the inserted block 32 breaks away from spacing ring 33, can accomplish the demolition of collecting case 12, be convenient for clear up the dust that collects in the collecting case 12, manual drive two nuts 40 rotate, make nut 40 no longer centre gripping movable seat 5, manual drive suction hood 6 and third bevel gear 30 vertical direction move, adjust the height of suction hood 6, after the regulation, manual drive two nuts 40 rotate, two nuts 40 centre gripping movable seat 5, can make the relative movable seat 5 of suction hood 6 fixed, through the cooperation of slider 41 and spout 42, movable seat 5 relative support ring 3 sliding connection, rotate through second servo motor 28 drive gear 44, make the gear 44 roll on 45 in order to make movable seat 6 rotate relative to the position, can not be adjusted to the suction hood 6, the position is adjusted relative to the suction hood 6.

Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the invention (including the claims) is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the invention, the steps may be implemented in any order and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.

The present invention is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a welding machine with dust removal mechanism, which comprises an operation table (1), a serial communication port, be equipped with welding mechanism (2) and clamping unit on operation panel (1), the top of operation panel (1) is equipped with movable seat (5), movable seat (5) and operation panel (1) are connected through rotary driving mechanism, dust hood (6) are equipped with in the below of movable seat (5), dust hood (6) and movable seat (5) are connected through the lifting part, be equipped with blast pipe (7) on dust hood (6), fixedly connected with filter plate (8) in dust hood (6), one side of filter plate (8) is equipped with scraper blade (9), first through-hole (10) have been seted up to the bottom inner wall of dust hood (6), the bottom of dust hood (6) is equipped with cleaning box (11) and collection box (12), cleaning box (11) are top open-ended cavity structure, second through-hole (13) have been seted up on cleaning box (11), dust inlet (14) with second through-hole (13) matched with on collection box (12), cleaning box (12) and cleaning box (11) are equipped with seal plate (16) through joint mechanism (16), sealing plate (16) are connected through push pedal (16) in cleaning box (16), the dust hood (6) is provided with a pushing mechanism which is respectively matched with the scraping plate (9) and the pushing plate (16).

2. The welding machine with the dust removing mechanism according to claim 1, wherein the pushing mechanism comprises a first limit post (20) fixedly installed on the inner wall of the dust hood (6), the first limit post (20) penetrates through the scraping plate (9), a first screw rod (19) in threaded connection is penetrated through the scraping plate (9), the top end of the first screw rod (19) penetrates through the dust hood (6), the first screw rod (19) and the dust hood (6) are in rotary connection through a bearing, a second screw rod (22) and a second limit post (23) are fixedly connected to one side of the push plate (16), the second screw rod (22) and the second limit post (23) penetrate through the cleaning box (11), a threaded sleeve (24) in threaded connection is sleeved outside the second screw rod (22), the threaded sleeve (24) and the cleaning box (11) are in rotary connection through the bearing, and driving parts matched with the first screw rod (19) and the threaded sleeve (24) respectively are arranged on the dust hood (6).

3. The welding machine with the dust removing mechanism according to claim 2, wherein the driving piece comprises an operation box (27) fixedly installed at the top of the dust hood (6), an electric telescopic rod (48) is fixedly connected in the operation box (27), a first servo motor (18) is fixedly connected to the output end of the electric telescopic rod (48), a first rotating shaft (21) is fixedly connected to the output end of the first servo motor (18), a first conical gear (25) is fixedly connected to one end of the first rotating shaft (21), a second conical gear (26) is arranged in the operation box (27), the second conical gear (26) is matched with the first conical gear (25), a second rotating shaft (29) is fixedly connected to the bottom of the second conical gear (26), the second rotating shaft (29) is connected with a thread bush (24) through a driver, a third conical gear (30) is fixedly connected to the outer bush of the first rotating shaft (21), the top end of the first screw (19) is fixedly connected with a fourth conical gear (31) located in the operation box (27), and the fourth conical gear (31) is matched with the third conical gear (30).

4. A welding machine with a dust removing mechanism according to claim 3, characterized in that the driver comprises a sixth conical gear (50) fixedly sleeved outside the threaded sleeve (24), the second rotating shaft (29) penetrates through the dust hood (6), the second rotating shaft (29) is rotatably connected with the dust hood (6) through a bearing, a fifth conical gear (49) is fixedly connected to the bottom end of the second rotating shaft (29), and the sixth conical gear (50) is meshed with the fifth conical gear (49).

5. The welding machine with the dust removing mechanism according to claim 1, wherein the clamping mechanism comprises an inserting block (32) fixedly installed on one side of the collecting box (12), a limiting ring (33) is sleeved outside the inserting block (32), the limiting ring (33) is fixedly connected with the bottom of the cleaning box (11), a clamping groove (34) is formed in the bottom of the inserting block (32), a movable plate (35) is arranged at the bottom of the inserting block (32), a clamping block (36) is fixedly connected to the movable plate (35), the clamping block (36) is located in the clamping groove (34), two fixing columns (51) penetrate through the movable plate (35), a limiting disc (38) is fixedly connected to the bottom end of each fixing column (51), a tension spring (37) is sleeved outside the fixing columns (51), and two ends of the tension spring (37) are respectively connected with the cleaning box (11) and the movable plate (35).

6. The welding machine with the dust removing mechanism according to claim 1, wherein the lifting piece comprises a third screw rod (39) fixedly installed on the dust hood (6), the third screw rod (39) penetrates through the movable seat (5), two nuts (40) are sleeved outside the third screw rod (39), and the two nuts (40) are respectively contacted with the top and the bottom of the movable seat (5).

7. The welding machine with the dust removing mechanism according to claim 1, wherein the rotary driving mechanism comprises a supporting ring (3) sleeved outside the movable seat (5), the supporting ring (3) is connected with the operating platform (1) through a supporting frame (4), a sliding groove (42) is formed in the supporting ring (3), a sliding block (41) is fixedly connected to the movable seat (5), the cross section of the sliding block (41) is of a T-shaped structure, a second servo motor (28) is fixedly connected to the movable seat (5), a gear (44) is fixedly connected to the output end of the second servo motor (28), a gear ring (45) is fixedly connected to the supporting ring (3), and the gear (44) is meshed with the gear ring (45).

8. The welding machine with the dust removing mechanism according to claim 1, wherein the clamping unit comprises two supporting parts (47) fixedly installed at the top of the operating platform (1), a fourth screw rod (46) in threaded connection penetrates through the supporting parts (47), clamping plates (43) are respectively arranged at one ends, close to the two fourth screw rods (46), of the two fourth screw rods, the fourth screw rod (46) is in rotary connection with the clamping plates (43) through bearings, and the bottoms of the clamping plates (43) are in contact with the top of the operating platform (1).